/*
 * Copyright (c) 2013-2014, Roland Bock
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 *   Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * 
 *   Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SQLPP_BOOLEAN_EXPRESSION_H
#define SQLPP_BOOLEAN_EXPRESSION_H

#include <sqlpp11/type_traits.h>
#include <sqlpp11/interpretable.h>

namespace sqlpp
{
	template<typename Database>
		struct boolean_expression_t: public expression_operators<boolean_expression_t<Database>, boolean>
		{
			using _traits = make_traits<boolean, tag::is_expression>;
			using _recursive_traits = make_recursive_traits<>;

			template<typename Expr>
			boolean_expression_t(Expr expr):
				_expr(expr)
			{
				static_assert(is_expression_t<Expr>::value, "boolean_expression requires a boolean expression argument");
				static_assert(is_boolean_t<Expr>::value, "boolean_expression requires a boolean expression argument");
			}

			boolean_expression_t(const boolean_expression_t&) = default;
			boolean_expression_t(boolean_expression_t&&) = default;
			boolean_expression_t& operator=(const boolean_expression_t&) = default;
			boolean_expression_t& operator=(boolean_expression_t&&) = default;
			~boolean_expression_t() = default;

			interpretable_t<Database> _expr;
		};

	template<typename Database, typename T>
		boolean_expression_t<Database> boolean_expression(T t)
		{
			using Expr = wrap_operand_t<T>;
			return {Expr{t}};
		}

	template<typename Database, typename T>
		boolean_expression_t<Database> boolean_expression(const Database&, T t)
		{
			return boolean_expression<Database>(t);
		}

	template<typename Context, typename Database>
		struct serializer_t<Context, boolean_expression_t<Database>>
		{
			using T = boolean_expression_t<Database>;

			static Context& _(const T& t, Context& context)
			{
				return serialize(t._expr, context);
			}
		};

}

#endif